Sanger Inc. produces baseball and football equipment and lines of clothing. This year the company had cash and marketable securities worth $335,485, accounts payables worth $1,159,357, inventory of $1,651,599, accounts receivables of $1,488,121, short-term notes payable worth $313,663, other current assets of $121,427 other current liabilities of $450,191. What is the company's net working capital?

$2,123,612

$1,673,421

$3,596,632

$1,880,758

$2,437,275